.lt_main{
  .first_left{
    width: 90px;
    height: 100%;
    float: left;
    position: relative;
    li{
      &.now a{
        background-color: #fff;
        border-right:none;
      }
    }
    a{
      display: block;
      background-color: pink;
      height: 50px;
      line-height:49px;
      width: 100%;
      text-align: center;
      border-right:1px solid red;
      border-bottom:1px solid red;
    }
  }
  .second_right{
    overflow: hidden;
    height: 100%;
    position: relative;
    li{
      width: 33.33%;
      float:left;
    }
    a{
      display: block;
      text-align: center;
    }
    img{
      width: 62px;
      height: 62px;
    }
    .category_tip{
      font-size: 12px;
      color: #666;
      padding: 10px;
    }
  }
}